Associative property. It states that you can add or multiply numbers no matter in what order they are or how they are grouped.
Hope that helps.
Answer:
whats the question?
Step-by-step explanation:
Answer:
Area:
![36\pi - 72 \: cm {}^{2}](https://tex.z-dn.net/?f=36%5Cpi%20-%2072%20%5C%3A%20cm%20%7B%7D%5E%7B2%7D%20)
Step-by-step explanation:
![( \frac{1}{4} \times \pi \times 12 {}^{2} ) - ( \frac{1}{2} \times 12 \times 12) = 36\pi - 72](https://tex.z-dn.net/?f=%28%20%5Cfrac%7B1%7D%7B4%7D%20%20%5Ctimes%20%5Cpi%20%5Ctimes%2012%20%7B%7D%5E%7B2%7D%20%20%29%20%20-%20%28%20%5Cfrac%7B1%7D%7B2%7D%20%20%5Ctimes%2012%20%5Ctimes%2012%29%20%3D%2036%5Cpi%20-%2072)
Area of the blue area:
![36\pi - 72 \: cm {}^{2}](https://tex.z-dn.net/?f=36%5Cpi%20-%2072%20%5C%3A%20cm%20%7B%7D%5E%7B2%7D%20)
Perimeter of blue area:unsure as no numbers are given for the slanted side if the triangle.
Length of a wire = 23 cm
Given that :
▪︎The wire was cut into two pieces.
▪︎The longer piece of wire is 7 cm longer than the shorter piece of wire.
Let the shorter piece of wire be x.
Then, the longer piece of wire = x+7
An equation that can be derived from these statements :
▪︎x + x + 7 = 23
Let us solve this equation :
![= \tt x + x +7 = 23](https://tex.z-dn.net/?f=%20%3D%20%5Ctt%20x%20%20%2B%20x%20%2B7%20%20%3D%2023)
![= \tt 2x + 7 = 23](https://tex.z-dn.net/?f=%20%3D%20%5Ctt%202x%20%2B%207%20%3D%2023)
![= \tt 2x = 16](https://tex.z-dn.net/?f=%20%3D%20%5Ctt%202x%20%3D%2016)
![= \tt x = \frac{16}{2}](https://tex.z-dn.net/?f=%20%3D%20%5Ctt%20x%20%3D%20%20%5Cfrac%7B16%7D%7B2%7D%20)
![\color{plum} \hookrightarrow \color{plum}x = 8](https://tex.z-dn.net/?f=%20%5Ccolor%7Bplum%7D%20%5Chookrightarrow%20%20%5Ccolor%7Bplum%7Dx%20%3D%208)
Thus, the value of x = 8.
Which means :
Length of the shorter piece of wire = 8 cm
Length of the longer piece of wire = 8 + 7 = 15 cm
Since the length of the two wires add up to form 23 cm(8+15=23), we can conclude that we have found out the correct measures of each wire.
Therefore, the length of the shorter piece of wire = <u>8 cm</u>
Answer:
D. passive
Step-by-step explanation: